<template>
  <PageWrapper title="MarkDown组件示例">
    <div>
      <a-button @click="toggleTheme" class="mb-2" type="primary"> 黑暗主题 </a-button>
      <a-button @click="clearValue" class="mb-2" type="default"> 清空内容 </a-button>
      <MarkDown v-model:value="value" @change="handleChange" ref="markDownRef" placeholder="这是占位文本" />
    </div>
    <div class="mt-2">
      <a-card title="Markdown Viewer 组件演示">
        <MarkdownViewer :value="value" />
      </a-card>
    </div>
  </PageWrapper>
</template>
<script lang="ts">
import { defineComponent, ref, unref } from 'vue'
import { MarkDown, MarkDownActionType, MarkdownViewer } from '/@/vbenComponents/Markdown'
import { PageWrapper } from '/@/vbenComponents/Page'

export default defineComponent({
  components: { MarkDown, PageWrapper, MarkdownViewer },
  setup() {
    const markDownRef = ref<Nullable<MarkDownActionType>>(null)
    const valueRef = ref(`
# 标题h1

##### 标题h5

**加粗**
*斜体*
~~删除线~~
[链接](https://github.com/vbenjs/vue-vben-admin)
↓分割线↓

---


* 无序列表1
  * 无序列表1.1

1. 有序列表1
2. 有序列表2

* [ ] 任务列表1
* [x] 任务列表2

> 引用示例

\`\`\`js
// 代码块:
(() => {
  var htmlRoot = document.getElementById('htmlRoot');
  var theme = window.localStorage.getItem('__APP__DARK__MODE__');
  if (htmlRoot && theme) {
    htmlRoot.setAttribute('data-theme', theme);
    theme = htmlRoot = null;
  }
})();
\`\`\`

| 表格 | 示例 | 🎉️ |
| --- | --- | --- |
| 1 | 2 | 3 |
| 4 | 5 | 6 |
`)

    function toggleTheme() {
      const markDown = unref(markDownRef)
      if (!markDown) return
      const vditor = markDown.getVditor()
      vditor.setTheme('dark', 'dark', 'dracula')
    }

    function handleChange(v: string) {
      valueRef.value = v
    }

    function clearValue() {
      valueRef.value = ''
    }

    return {
      value: valueRef,
      toggleTheme,
      markDownRef,
      handleChange,
      clearValue,
    }
  },
})
</script>
